The following reaction is a vitamin B12-dependent reaction that proceeds via a mechanismanalogous to that of the methylmalonyl-CoA mutase reaction.HН4H1H3N 2H`HHHObH H5Identify which atoms in the product(s) correspond to the numbered atoms in the reactant.Atom a corresponds to atomAtom b corresponds to atomAtom c corresponds to atom

Methylmalonyl-CoA mutase is encoded by gene MUT, it is a vitamin B12 dependent enzyme that catalyzes…

Answered: The following reaction is a vitamin…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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The following reaction, the last reaction in beta-oxidation, is an example of a: Enzyme Enzyme-H S-CoA S-COA H2C H3C CoA s–CoA C H2 CH2 R S-COA S-COA S-COA O A. Nucleophilic acyl substitution O B. Electrophilic addition OC. Nucleophilic addition D. Aldol condensation O E. Hydrohalogenation
coo- 21 CH2 316 НО-С-СОО- HOC COO- 4 CH2 | 5, °coo-
Fatty acids are converted to their coenzyme A esters in a reversible reaction catalyzed by acyl-CoA synthetase: R-COO +ATP +COA R-C-COA +AMP + PPi a) The reaction involves two steps the first of which forms an enzyme-bound intermediate identified as the mixed anhydride of the fatty acid and AMP: R-C-O-P-O-nibose-adenine Write two chemical equations coresponding to the two steps of the reaction catalyzed by the synthetase. b) The acyl-CoA synthetase reaction as written above is readily reversible. How might the reaction be made to favor formation of fatty acyl-CoA? Write within the box. Anything outside the box will not be graded. From the
Which class of enzymes catalyzes the following reactions? CH2- CH2- CH2 H2- C- CH2 AST CH2-C CH2 CH-NH + C=O + C=0 + CH-NH ČO0 Čo0 ČO0 ČO0" Aspartate Oxoglutarate Oxaloacetate Glutamate Select one: a. Oxidoreductase O b. Isomerase O c. Ligase d. Transferase
The citric acid cycle is shown. The methyl carbon in acetyl CoA is labeled with C14C14 (shown in red). Identify which of the carbons in each intermediate will be labeled in the first round of the cycle by selecting the indicated carbon(s). Each question has multiple options, answering with only one option is incorrect. Which carbon(s) in α‑ketoglutarate will contain C14? 1 2 3 4 5 Which carbon(s) in succinyl‑CoA will contain C14? 1 2 3 4 Which carbon(s) in succinate will contain C14? 1 2 3 4 Which carbon(s) in fumarate will contain C14? 1 2 3 4 Which carbon(s) in malate will contain C14? 1 2 3 4 Which carbon(s) in oxaloacetate will contain C14? 1 2 3 4
Choose one for each in the sentence: A(n) (hydrolysis, oxidation reduction, group transfer, isomerization, internal rearrangment) reaction converts palmitoyl‑CoA to trans‑Δ2‑enoyl‑CoA. This reaction requires (dehydrogenase and NAD+, isomerase and NADH, isomerase and NAD+, dehydrogenase and NADH) and also produces (H2O, NAD+ and H+, NADH and H+).
The following is the chemical structure of nicotinamide adenine dinucleotides, a coenzyme commonly used in enzymatic reactions. Но 4 HO 0-P-0 *Na "O. `NH2 N 1 "OH H2N OH Which of the indicate regions is the site of the redox activity of this coenzyme? 2.
Draw the structures of the following coenzyme molecules: 1. CoA-SH/Acetyl-S-CoA 2. NAD*/NADH + H* • For both: Give full name (if you copy the formula from an Internet source, please cite it properly, for example, according to the Chicago Manual of Style. • Indicate what are the chemical groups that are active in these molecules, i.e., what group participates in metabolic reactions (be aware that both molecules may be involved in both anabolic and catabolic processes). • What vitamin or vitamins will, when modified, contribute to the structure of these molecules? • Write a short, general conclusion of the importance of these two coenzymes in metabolism.
The reaction pictured is an oxidation-reduction reaction in the citric acid cycle in which the energy-carrier molecule NADH is generated. Identify which molecule in the reaction will be oxidized and which molecule will be reduced. Place a single answer choice in each box. COO- HO-C-H H-C-H COO- Malate NAD+ NADH + H+ Oxidized malate oxaloacetate COO- H-C-H ī COO- Oxaloacetate Reduced NADH NAD+
The citric acid cycle is shown. The methyl carbon in acetyl CoA is labeled with C14C14 (shown in red). Identify which of the carbons in each intermediate will be labeled in the first round of the cycle by selecting the indicated carbon(s). Each question has multiple options, please choose more than one. Which carbon(s) in α‑ketoglutarate will contain C14? 1 2 3 4 5 Which carbon(s) in succinyl‑CoA will contain C14? 1 2 3 4 Which carbon(s) in succinate will contain C14? 1 2 3 4 Which carbon(s) in fumarate will contain C14? 1 2 3 4 Which carbon(s) in malate will contain C14? 1 2 3 4 Which carbon(s) in oxaloacetate will contain C14? 1 2 3 4
NH, This compound is directly involved in: он O=P-0-CH, H но OmP-0- O oxidizing an alcohol in the conversion of sucrose to fructose. O the synthesis of malonyl coenzyme A. reducing a ketone in gluconeogenesis. reducing a C=C double bond in fatty-acid synthesis.
Alcohol dehydrogenase (ADH), catalyzes a reaction where primary alcohol is converted an aldehyde using NAD* ADH fits in which class of enzyme? hydrolases lyases transferases O oxidoreductases QUESTION 25 In the serine protease catalytic mechanism, which of the following helps stabilize the tetrahedral intermediate? O low barrier hydrogen bond oxyanion hole aspartate side chain O histidine side chain QUESTION 26 In the catalytic mechanism of an aminotransferase, one substrate binds and reacts, leaving behind an amine group Click Save and Submit to save and submit. Click Save All Answers to save all answers. 78 Mostly dly 3 Type here to search

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